Era
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1825-1864
1
1825-1896
1
1830-1886
3
1835-1836
1
1835-1915
1
1838-1918
1
1844-1866
1
1845-1849
1
1861-1865
3
1865-1950
1
1867-1942
1
1882-1945
1
1885-1972
2
1886-1976
1
1890-1969
1
1893-1976
5
18th century
56
1900 - 1999
1
1900-1999
1
1900-2099
6
1901-
1
1902-1974
1
1908-1973
1
1912-1993
1
1913-1994
5
1917-1963
1
1923-
1
1924-2018
1
1927-
1
1929-1968
1
1938-
1
1945-1989
1
1947-
3
1957-
1
1960-
1
1972
1
1977-1981
1
1981-1989
1
1989-
2
1991-2000
1
19th century
25
2000-2020
1
2000-2099
2
2017-
1
20th century
19
21e siècle
1
21st century
11
Catherine II, 1762-1796
2
Civil War, 1861-1865
2
Colonial period, ca. 1600-1775
9
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